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COA COO

Selamectin Impurity EP B

Impurity

CAS Number

165108-09-8

Molecular Formula

C43H61NO11

Product format

Neat

Molecular Weight

767.97

Storage

-20°C

Shipping

Room Temperature

API Family

Selamectin

Synonyms

165108-09-8; 22, 23-Didehydro Selamectin; Selamectin EP Impurity B; DTXSID601101671; 22, 23-Didehydro Selamectin(>90%); 25-Cyclohexyl-4a(2)-O-de(2 and 6-dideoxy-3-O-methyl-I+/--L-arabino-hexopyranosyl)-5-demethoxy-25-de(1-methylpropyl)-5-(hydroxyimino)avermectin A1a

Iupac Name

(1'R, 2R, 3S, 4'S, 6S, 8'R, 10'E, 12'S, 13'S, 14'E, 16'E, 20'R, 24'S)-2-cyclohexyl-24'-hydroxy-21'-hydroxyimino-12'-[(2R, 4S, 5S, 6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-3, 11', 13', 22'-tetramethylspiro[2, 3-dihydropyran-6, 6'-3, 7, 19-trioxatetracyclo[15.6.1.14, 8.020, 24]pentacosa-10, 14, 16 and 22-tetraene]-2'-one

InChI

InChI=1S/C43H61NO11/c1-24-11-10-14-30-23-50-40-36(44-48)27(4)19-33(43(30,40)47)41(46)52-32-20-31(16-15-25(2)38(24)53-35-21-34(49-6)37(45)28(5)51-35)54-42(22-32)18-17-26(3)39(55-42)29-12-8-7-9-13-29/h10-11,14-15,17-19,24,26,28-29,31-35,37-40,45,47-48H,7-9,12-13,16,20-23H2,1-6H3/b11-10+,25-15+,30-14+,44-36?/t24-,26-,28-,31+,32-,33-,34-,35-,37-,38-,39-,40+,42+,43+/m0/s1

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COA COO

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Synthesis

We offer tailor-made synthesis services of up to gram-quantities of materials for a wide range of pharmaceutical customers. The customer can order a specific molecule that is only synthesized on your request on the scale, with the purity and with the specification or methods you require.

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